Add Gitter badge to and remove "High-Performance" from Readme
Add Gitter badge to and remove "High-Performance" from Readme

essamjoubori/girder,sutartmelson/girder,chrismattmann/girder,chrismattmann/girder,salamb/girder,jcfr/girder,chrismattmann/girder,opadron/girder,msmolens/girder,kotfic/girder,jcfr/girder,Xarthisius/girder,msmolens/girder,girder/girder,kotfic/girder,jcfr/girder,msmolens/girder,sutartmelson/girder,manthey/girder,girder/girder,girder/girder,manthey/girder,sutartmelson/girder,data-exp-lab/girder,Xarthisius/girder,opadron/girder,adsorensen/girder,essamjoubori/girder,essamjoubori/girder,sutartmelson/girder,jbeezley/girder,Kitware/girder,essamjoubori/girder,data-exp-lab/girder,jbeezley/girder,essamjoubori/girder,Kitware/girder,jbeezley/girder,data-exp-lab/girder,manthey/girder,kotfic/girder,data-exp-lab/girder,adsorensen/girder,adsorensen/girder,Xarthisius/girder,salamb/girder,adsorensen/girder,RafaelPalomar/girder,opadron/girder,jbeezley/girder,Kitware/girder,salamb/girder,jcfr/girder,kotfic/girder,Xarthisius/girder,RafaelPalomar/girder,Kitware/girder,salamb/girder,adsorensen/girder,opadron/girder,Xarthisius/girder,opadron/girder,chrismattmann/girder,RafaelPalomar/girder,salamb/girder,data-exp-lab/girder,RafaelPalomar/girder,msmolens/girder,kotfic/girder,chrismattmann/girder,sutartmelson/girder,jcfr/girder,manthey/girder,girder/girder,RafaelPalomar/girder,msmolens/girder